Used primarily as an intermediate in the synthesis of agrochemicals and pharmaceuticals, particularly in the production of sulfonylurea herbicides. It serves as a sulfamoylating agent, enabling the introduction of the methylsulfamoyl group into organic molecules to enhance biological activity. Commonly employed in the development of crop protection chemicals due to its reactivity with amines and alcohols, forming stable sulfonamide or sulfonate ester derivatives. Its application is mostly confined to controlled industrial processes owing to its moisture sensitivity and reactivity. Additionally, it finds use in laboratory research for synthesizing novel bioactive compounds.